Found this article and it has some interesting things to say, such as:
All seats have integral headrests and can be ordered with fibre-optic ambient lighting, while an optional sunroof extending from the windscreen to the rear window also adds to the ambience. Mercedes-Benz is yet to reveal boot capacity for its newest model, but insiders suggest it comes close to matching the 459 litres of the C-Class sedan.
As part of Mercedes-Benz' efforts to reach out to new and younger customers, the new sedan comes with an option that allows smartphones – eventually to include those using the Apple iOS, Google Android and Microsoft Windows Phone 8 systems – to be fully integrated into the operating system.
Mercedes-Benz CLA